Canada's Daniel Nestor, left, of Toronto, Ont., and Vasek Pospisil, of Vernon, B.C., talk strategy while playing Italy's Daniele Bracciali and Fabio Fognini during the first set of a Davis Cup quarter-final doubles match in Vancouver, B.C., on Saturday April 6, 2013.(DARRYL DYCK/THE CANADIAN PRESS)

Canada's Daniel Nestor hits a serve to Italy's Daniele Bracciali and Fabio Fognini during doubles play at the second round of the Davis Cup tournament in Vancouver, British Columbia April 6, 2013.(BEN NELMS/REUTERS)

Canada's Daniel Nestor, left, of Toronto, Ont., serves while teamed with Vasek Pospisil, of Vernon, B.C., against Italy's Daniele Bracciali and Fabio Fognini during the third set of a Davis Cup tennis quarter-final doubles match in Vancouver, B.C., on Saturday April 6, 2013.(DARRYL DYCK/THE CANADIAN PRESS)

Italy's Daniele Bracciali chases down the ball to return while playing with Fabio Fognini against Canada's Daniel Nestor, of Toronto, Ont., and Vasek Pospisil, of Vernon, B.C., during the third set of a Davis Cup quarter-final doubles match in Vancouver, B.C., on Saturday April 6, 2013.(DARRYL DYCK/THE CANADIAN PRESS)

Canada's Vasek Pospisil (L) and Daniel Nestor (R) hits a return to Italy's Daniele Bracciali and Fabio Fognini during the second round of the Davis Cup doubles tournament in Vancouver April 6, 2013.(BEN NELMS/REUTERS)

Canada's Vasek Pospisil, left, of Vernon, B.C., returns while teamed with Daniel Nestor, of Toronto, Ont., against Italy's Daniele Bracciali and Fabio Fognini during the third set of a Davis Cup tennis quarter-final doubles match in Vancouver, B.C., on Saturday April 6, 2013.(DARRYL DYCK/THE CANADIAN PRESS)

Italy's Fabio Fognini leaps to return the ball while playing with Daniele Bracciali against Canada's Daniel Nestor, of Toronto, Ont., and Vasek Pospisil, of Vernon, B.C., during the first set of a Davis Cup quarter-final doubles match in Vancouver, B.C., on Saturday April 6, 2013.(DARRYL DYCK/THE CANADIAN PRESS)

Canada's Vasek Pospisil returns the ball to Italy's Daniele Bracciali and Fabio Fognini during doubles match play at the second round of the Davis Cup tournament in Vancouver, British Columbia April 6, 2013.(BEN NELMS/REUTERS)

Canada's Daniel Nestor hits a return to Italy's Daniele Bracciali and Fabio Fognini during the second round of the Davis Cup doubles tournament in Vancouver April 6, 2013.(BEN NELMS/REUTERS)

Canada's Vasek Pospisil hits a return to Italy's Daniele Bracciali and Fabio Fognini during doubles match play at the second round of the Davis Cup tournament in Vancouver, British Columbia April 6, 2013.(BEN NELMS/REUTERS)

Canada's Daniel Nestor, left, of Toronto, Ont., and Vasek Pospisil, of Vernon, B.C., celebrate a point while playing Italy's Daniele Bracciali and Fabio Fognini during the first set of a Davis Cup tennis quarter-final doubles match in Vancouver, B.C., on Saturday April 6, 2013.(DARRYL DYCK/THE CANADIAN PRESS)

Italy's Fabio Fognini celebrates winning a set over Canada's Daniel Nestor and Vasek Pospisil during their men's doubles match in the second round of the Davis Cup tournament in Vancouver, British Columbia April 6, 2013.(BEN NELMS/REUTERS)

Canada's Vasek Pospisil celebrates a point while playing with Daniel Nestor, of Toronto, Ont., against Italy's Daniele Bracciali and Fabio Fognini during the third set of a Davis Cup quarter-final doubles match in Vancouver, B.C., on Saturday April 6, 2013.(DARRYL DYCK/THE CANADIAN PRESS)

Italy's Fabio Fognini celebrates winning a set over Canada's Daniel Nestor and Vasek Pospisil during their men's doubles match in the second round of the Davis Cup tournament in Vancouver, British Columbia April 6, 2013.(BEN NELMS/REUTERS)

Canada's Daniel Nestor, of Toronto, Ont., reacts to losing a point while playing with Vasek Pospisil, of Vernon, B.C., against Italy's Daniele Bracciali and Fabio Fognini during the third set of a Davis Cup tennis quarter-final doubles match in Vancouver, B.C., on Saturday April 6, 2013.(DARRYL DYCK/THE CANADIAN PRESS)

Canada's Daniel Nestor celebrates a point against Italy's Daniele Bracciali and Fabio Fognini during doubles match play at the second round of the Davis Cup tournament in Vancouver, British Columbia April 6, 2013.(BEN NELMS/REUTERS)